potassium
In 1898.
Polonium, named in honor of Poland, was the first element discovered by Pierre and Marie Curie in 1898.
1898 in United Kingdom
Polonium was discovered in Paris, France in 1898.
Neon was discovered by Sir William Ramsay and Morris Travers in 1898.
No, it is not. It is a chemical element which was discovered only in 1898.
Radium was discovered in 1898 by Marie Curie, Pierre Curie and Gustave Bemont.
Marie Curie and Pierre Curie discovered the first radioactive element, radium, in 1898.
The element krypton was discovered by Sir William Ramsay and Morris Travers in 1898. Ramsay and Travers also discovered the element neon.
Marie Curie in 1898Radium was discovered by Marie Skłodowska-Curie and her husband Pierre in 1898.
In July of 1898, Marie and Pierre Curie discovered polonium. Just five months later, in December of 1898, they went on to discover radium as well.
Polonium was discovered by Marie and Pierre Curie in 1898, who were studying the residues of uranium pitchblende (after uranium separation) from Jachymow; the residue has a greater radioactivity than uranium.